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Team to experiment during next week's two day test

By William Esler

Last Updated: 13/05/14 2:40pm

"We have a couple of aero upgrades and it's about testing them. Then, finally, I guess everybody's looking forward to the 'megaphone'. We're going to run that but I'm not sure whether it's going to be Tuesday or Wednesday," team boss Toto Wolff said at the Spanish GP.

"We told by the FIA and Bernie [Ecclestone] to put the device on the car and see if it's really effective. We are pretty clear that if the fans want to have more noise and if it's making the car, with all this noise, perceived to be better and more attractive, then we would go for it.

"Then hopefully the other teams will vote in favour as well. It's part of the Technical Regulations and if you want, you can amend it in the season with a unanimous vote."

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The dramatic difference between the high-pitched scream of the V8 engines used last year and the deeper sound of the new V6 hybrid units has attracted criticism from fans as well as F1 supremo Ecclestone.